EOL_HF

EOL: Raw data: January 2018 to December 2022

Gaps: - 21 Mar to 17 May 2019. - 22 to 24 Nov 2022

NAs: - No NAs for T - NAs for S, O, AOU

Anomalies method

By months

Time series anomaly regression analyses per month
Slope SE Slope P Slope Intercept SE int. P int. F df R2 P value
temp_ano 0.0322404 0.0040676 0 -65.14189 8.218505 0 62.8254 39938 0.0015706 0
sal_ano 0.0263224 0.0007535 0 -53.18294 1.522422 0 1220.3225 39008 0.0303349 0
oxy_ano -1.4649535 0.0270565 0 2959.86194 54.666168 0 2931.6077 39007 0.0699024 0
aou_ano 1.3467183 0.0230785 0 -2720.97387 46.628895 0 3405.1692 39007 0.0802876 0

Temperature

Salinity

Oxygen

AOU

By days

Time series anomaly regression analyses per day
Slope SE Slope P Slope Intercept SE int. P int. F df R2 P value
temp_ano_day 0.0338983 0.0030054 0 -68.49171 6.072406 0 127.2198 39938 0.0031753 0
sal_ano_day 0.0250891 0.0006957 0 -50.69120 1.405572 0 1300.6450 39008 0.0322671 0
oxy_ano_day -1.4609430 0.0241975 0 2951.75892 48.889779 0 3645.2375 39007 0.0854642 0
aou_ano_day 1.3550905 0.0222610 0 -2737.88944 44.977167 0 3705.5087 39007 0.0867546 0

Temperature

Salinity

### Oxygen

AOU

Filling gaps - Moving average - Mann Kendall

By autocorrelation + decompose function or Mann-Kendall : not possible because of gaps -> Filling gaps.

Temperature

## 
## Call:
## lm(formula = y ~ x, data = reg_val_ts_temp_eol_less_season)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -11.2904  -2.1147  -0.1173   1.5592  10.5261 
## 
## Coefficients:
##             Estimate Std. Error t value Pr(>|t|)    
## (Intercept) 18.49114    0.04911  376.51   <2e-16 ***
## x            0.18173    0.01390   13.07   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 3.655 on 39938 degrees of freedom
## Multiple R-squared:  0.004259,   Adjusted R-squared:  0.004234 
## F-statistic: 170.8 on 1 and 39938 DF,  p-value: < 2.2e-16

Mann-Kendall results:

##         tau       slope   intercept 
##  0.04282142  0.04045000 36.35810833

Salinity

## 
## Call:
## lm(formula = y ~ x, data = reg_val_ts_sal_eol_less_season)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -3.02197 -0.12426  0.03126  0.14767  0.53884 
## 
## Coefficients:
##              Estimate Std. Error  t value Pr(>|t|)    
## (Intercept) 3.791e+01  2.440e-03 15532.81   <2e-16 ***
## x           1.005e-04  2.432e-06    41.31   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 0.2436 on 39938 degrees of freedom
## Multiple R-squared:  0.04098,    Adjusted R-squared:  0.04095 
## F-statistic:  1706 on 1 and 39938 DF,  p-value: < 2.2e-16

Mann-Kendall results:

##         tau       slope   intercept 
##   0.1023034   0.0199750 -27.4444783

Oxygen

## 
## Call:
## lm(formula = y ~ x, data = reg_val_ts_oxy_eol_less_season)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -65.320 -15.280   1.126  15.024  44.776 
## 
## Coefficients:
##               Estimate Std. Error t value Pr(>|t|)    
## (Intercept)  2.417e+02  1.852e-01 1305.08   <2e-16 ***
## x           -7.905e-03  1.846e-04  -42.82   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 18.49 on 39938 degrees of freedom
## Multiple R-squared:  0.0439, Adjusted R-squared:  0.04388 
## F-statistic:  1834 on 1 and 39938 DF,  p-value: < 2.2e-16

Mann-Kendall results:

##         tau       slope   intercept 
##  -0.1107562  -1.1655297 732.7343833